Not a full lens diopter.
25 - Unisex Way Reading Sunglasses in Black with Gray Lenses by Foster Grant - Senate SunReaders® - +3. The Senate from Foster Grant® combines the best of both worlds with the 100% UVA-UVB protection you’d expect from a pair of sunglasses with the strengths you need to see in a reading glass.. The remainder of the lens is a sunglass with no magnification.